bye-bye. ♪ [ cheers and applause ] . >> local news from over night. watch ktvu channel news everyday starting at 4:30:00 a.m. complete bay area news coverage. your family and you don't even know it. >> it started more than 20 years ago. >> are they safe? >> franken foods are very dangerous. >> a completely bogus study. >> should they be labeled? >> this is about the right to know. >> you think it's nothing. three sudden warning signs all women miss. >> you don't have a lot of time. >> next.